| Issue |
Eur. Phys. J. AP
Volume 7, Number 3, September 1999
|
|
|---|---|---|
| Page(s) | 271 - 275 | |
| DOI | https://doi.org/10.1051/epjap:1999220 | |
| Published online | 15 September 1999 | |
https://doi.org/10.1051/epjap:1999220
Finite elasticity modelling of vascular prostheses mechanics
Laboratoire de Mécanique Physique,
Université Paris XII Val de Marne (UPRES-A du CNRS 7052),
94010 Créteil, France
Corresponding author: zidi@univ-paris12.fr
Received:
29
January
1999
Revised:
21
May
1999
Accepted:
28
May
1999
Published online: 15 September 1999
In this paper, a mathematical model of the mechanical behaviour of prosthetic blood vascular structures is analysed when taking into account effects of finite deformations, residual stresses which can be induced by fabrication processes and the composite nature of the material constituting those structures. The case of particular applied strains, viewed as arising during surgical manipulation and implying axial and circular shear stresses, is also studied. The resulting distribution of stresses within the wall shows large gradients which can be reduced when the effects of adequate pre-existing initial stresses are present.
PACS: 46.05.+b – General theory of continuum mechanics of solids / 87.19.Rr – Mechanical properties of tissues and organs
© EDP Sciences, 1999
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